Fashion Flexible style Quartz, mountain crystal, moonstone and freshwater pearl necklaces are the latest additions to Ole Lynggaard's Globe Collection.
Gemstones Quartz – and its many treatments The Gemmological Association of Australia outlines a few of the many methods used to treat quartz.
Gemstones The Bold and the Beautiful An introductory guide to the world of coloured gemstones by the International Colored Gemstone Association.
